asp.net mvc中加入log4net記錄錯誤日誌
阿新 • • 發佈:2019-01-31
第一步:
新增並應用Log4net.dll。然後在Web.config檔案中新增下面的配置局
<configSections>
<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net" />
</configSections>
第二步:
新建Log4Net.config的配置檔案,並在其中新增下面的配置資訊:
<?xml version="1.0" encoding="UTF-8"?> <log4net debug="false"> <!--按日期分割日誌檔案 一天一個--> <appender name="LogFileAppenderByDate" type="log4net.Appender.RollingFileAppender" > <!--是否續寫--> <param name="AppendToFile" value="true" /> <!--最小鎖定模型以允許多個程序可以寫入同一個檔案--> <param name="LockingModel" value="log4net.Appender.FileAppender.MinimalLock" /> <param name="StaticLogFileName" value="true" /> <!--儲存路徑--> <param name="File" value="d:\Log\\" /> <param name="DatePattern" value="yyyy-MM-dd.LOG" /> <param name="StaticLogFileName" value="false" /> <param name="RollingStyle" value="Date" /> <layout type="log4net.Layout.PatternLayout"> <param name="ConversionPattern" value="時間:%d %n級別:%level %n類名:%c%n檔案:%F 第%L行%n日誌內容:%m%n-----------------------------------------%n%n" /> </layout> </appender> <!--按日誌容量分割日誌檔案 10KB一個--> <appender name="LogFileAppenderBySize" type="log4net.Appender.RollingFileAppender" > <!--是否續寫--> <param name="AppendToFile" value="true" /> <!--最小鎖定模型以允許多個程序可以寫入同一個檔案--> <param name="LockingModel" value="log4net.Appender.FileAppender.MinimalLock" /> <param name="StaticLogFileName" value="true" /> <!--按照檔案的大小進行變換日誌檔案--> <param name="RollingStyle" value="Size" /> <param name="File" value="log.txt" /> <!--單個檔案最大數量 好像只有在 按Size分割時有效--> <param name="MaximumFileSize" value="200KB"/> <!--保留的log檔案數量 超過此數量後 自動刪除之前的 好像只有在 按Size分割時有效--> <param name="MaxSizeRollBackups" value="2" /> <param name="StaticLogFileName" value="false" /> <layout type="log4net.Layout.PatternLayout"> <param name="ConversionPattern" value="發生時間:%d %n事件級別:%level %n相關類名:%c%n程式檔案:%F 第%L行%n日誌內容:%m%n-----------------------------------------%n%n" /> </layout> </appender> <!--記錄日誌到資料庫--> <appender name="AdoNetAppender" type="log4net.Appender.AdoNetAppender"> <bufferSize value="1" /> <!--緩衝大小--> <connectionType value="System.Data.SqlClient.SqlConnection, System.Data, Version=1.0.3300.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" /> <connectionString value="Data Source=.\SQLEXPRESS;Initial Catalog=CVDS;User ID=sa;Password=sasa" /> <commandText value="INSERT INTO Log([Date],[Thread],[Level],[Logger],[Message],[Exception]) VALUES (@log_date, @thread, @log_level, @logger, @message, @exception)" /> <parameter> <parameterName value="@log_date" /> <dbType value="DateTime" /> <layout type="log4net.Layout.RawTimeStampLayout" /> </parameter> <parameter> <parameterName value="@thread" /> <dbType value="String" /> <size value="255" /> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%thread" /> </layout> </parameter> <parameter> <parameterName value="@log_level" /> <dbType value="String" /> <size value="50" /> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%level" /> </layout> </parameter> <parameter> <parameterName value="@logger" /> <dbType value="String" /> <size value="255" /> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%logger" /> </layout> </parameter> <parameter> <parameterName value="@message" /> <dbType value="String" /> <size value="4000" /> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%message" /> </layout> </parameter> <parameter> <parameterName value="@exception" /> <dbType value="String" /> <size value="2000" /> <layout type="log4net.Layout.ExceptionLayout" /> </parameter> </appender> <root> <level value="INFO" /> <!--啟用按日期分割--> <appender-ref ref="LogFileAppenderByDate" /> <!--啟用按容量分割--> <!--<appender-ref ref="LogFileAppenderBySize" />--> <!--啟用儲存到資料庫--> <!--<appender-ref ref="AdoNetAppender" />--> </root> </log4net>
第三步:
在Global.asax檔案中的Application_Start事件中新增如下程式碼:
protected void Application_Start(object sender, EventArgs e)
{
// Code that runs on application startup
log4net.Config.XmlConfigurator.ConfigureAndWatch(new FileInfo(Server.MapPath("Log4Net.config")));
}
第四步:呼叫LOG4net 寫日誌
protected void Button2_Click(object sender, EventArgs e) { ILog logs = LogManager.GetLogger(typeof(TEST)); logs.Fatal("Excption:這裡就是要提示的LOG資訊"); }
也可以通過寫一個LogHelper.cs類進行封裝:
using System; using System.Collections.Generic; using System.Web; using log4net; namespace SBIT.Web.Class { /// <summary> /// 日誌輔助類 /// </summary> public class LogHelper { private static ILog log; private static LogHelper logHelper = null; /// <summary> /// 初始化 /// </summary> /// <returns></returns> public static ILog GetInstance() { logHelper = new LogHelper(null); return log; } /// <summary> /// 初始化 /// </summary> /// <param name="configPath"></param> /// <returns></returns> public static ILog GetInstance(string configPath) { logHelper = new LogHelper(configPath); return log; } /// <summary> /// 建構函式 /// </summary> /// <param name="configPath"></param> private LogHelper(string configPath) { if (!string.IsNullOrEmpty(configPath)) { log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType); log4net.Config.XmlConfigurator.Configure(new System.IO.FileInfo(configPath)); } else { log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType); } } } }
通過封裝類寫日誌的方法如下:
private static readonly ILog logs = LogHelper.GetInstance(); //LogManager.GetLogger(typeof(TEST));
protected void Button2_Click(object sender, EventArgs e)
{
logs.Fatal("Excption:這裡就是要提示的LOG資訊");
}